{"id":2225666,"url":"http://patchwork.ozlabs.org/api/1.2/patches/2225666/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-i2c/patch/20260421-add-mcu-fan-khadas-vim4-v4-8-447114a28f2d@aliel.fr/","project":{"id":35,"url":"http://patchwork.ozlabs.org/api/1.2/projects/35/?format=json","name":"Linux I2C development","link_name":"linux-i2c","list_id":"linux-i2c.vger.kernel.org","list_email":"linux-i2c@vger.kernel.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260421-add-mcu-fan-khadas-vim4-v4-8-447114a28f2d@aliel.fr>","list_archive_url":null,"date":"2026-04-21T11:49:25","name":"[v4,8/8] arm64: dts: amlogic: t7: khadas-vim4: Add i2c MCU fan node","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"a997e49660e8f71e262cc300240165dad9eb9c8b","submitter":{"id":93204,"url":"http://patchwork.ozlabs.org/api/1.2/people/93204/?format=json","name":"Ronald Claveau via B4 Relay","email":"devnull+linux-kernel-dev.aliel.fr@kernel.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-i2c/patch/20260421-add-mcu-fan-khadas-vim4-v4-8-447114a28f2d@aliel.fr/mbox/","series":[{"id":500785,"url":"http://patchwork.ozlabs.org/api/1.2/series/500785/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-i2c/list/?series=500785","date":"2026-04-21T11:49:19","name":"Add VIM4 MCU/FAN support","version":4,"mbox":"http://patchwork.ozlabs.org/series/500785/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2225666/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2225666/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-i2c@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=YouC8vXn;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=172.234.253.10; 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a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1776772222; cv=none;\n b=uv2H7cLu5dUy1VDtN5mTMU6+XlpH02Bupi54n6H6E3+fwqcwglInQd8Zoe3GgNOjapTnfnPJwxm7ec8uPQITuYufJ01Vq9VLp4x+F2BpyY6gOYh2YXD2nD7hhdFMI50mnEuiYj1GN0cww8U03YCItXHSnod+oC9Nl0vxtTHD+QY=","ARC-Message-Signature":"i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1776772222; c=relaxed/simple;\n\tbh=XddkVT31/XC/ioaRn+/smsT9FYSpgPK0znWOqQA+3iY=;\n\th=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References:\n\t In-Reply-To:To:Cc;\n b=pNJmJAwyM49u0zkn0UJW9I8nKJ7R+6G8oPEW/hAnZGma67VtxBFpgixHVkZsetddPNBT1INA5NvCfHTQN2OEPMtWQGGszIDxW38vEfoB/N6hf8dmaJesEstAqOiErs4qUhmfQkGhrIC31EzAX9yhQ0QxBNBGIPSTVQCN43JF+P0=","ARC-Authentication-Results":"i=1; smtp.subspace.kernel.org;\n dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org\n header.b=YouC8vXn; arc=none smtp.client-ip=10.30.226.201","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org;\n\ts=k20201202; t=1776772222;\n\tbh=XddkVT31/XC/ioaRn+/smsT9FYSpgPK0znWOqQA+3iY=;\n\th=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From;\n\tb=YouC8vXnbDTY+xLHUTOMD8zwUrLiitR7oeYhpXmrbm1HF2qQoy4s9TjbjF3e1RraS\n\t sItfNGX4O3QGO4/BG6kVUXF5T/nlNIZvNqlswKkcu/7FH52rA2ehgXuRdDHYbCNDBf\n\t VyGGZDVYeAynZvIQvadaAb9Yy0DAP8GgTHijZx1lN3+E2sOPxLTTL/7dIZkpnsD7bP\n\t QZC1qyn/DVdAMXed4KUyZXChauY0J6Ywpb3HwxQwztcFxmXZiQimwtc2jQiilpQFZr\n\t dgpr4hfWlQ0/2AySIxfCsePMral4ZXGsX74YF+WsbybUf0fetq2kmXXrs93eUEJ5Pd\n\t /Yn+9O7Fc+W9w==","From":"Ronald Claveau via B4 Relay\n ","Date":"Tue, 21 Apr 2026 13:49:25 +0200","Subject":"[PATCH v4 8/8] arm64: dts: amlogic: t7: khadas-vim4: Add i2c MCU\n fan node","Precedence":"bulk","X-Mailing-List":"linux-i2c@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","Content-Type":"text/plain; charset=\"utf-8\"","Content-Transfer-Encoding":"7bit","Message-Id":"<20260421-add-mcu-fan-khadas-vim4-v4-8-447114a28f2d@aliel.fr>","References":"<20260421-add-mcu-fan-khadas-vim4-v4-0-447114a28f2d@aliel.fr>","In-Reply-To":"<20260421-add-mcu-fan-khadas-vim4-v4-0-447114a28f2d@aliel.fr>","To":"Neil Armstrong , Lee Jones ,\n Rob Herring , Krzysztof Kozlowski ,\n Conor Dooley , Andi Shyti ,\n Kevin Hilman , Jerome Brunet ,\n Martin Blumenstingl ,\n Beniamino Galvani ,\n \"Rafael J. Wysocki\" ,\n Daniel Lezcano , Zhang Rui ,\n Lukasz Luba , Liam Girdwood ,\n Mark Brown ","Cc":"linux-amlogic@lists.infradead.org, devicetree@vger.kernel.org,\n linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org,\n linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org,\n Ronald Claveau ","X-Mailer":"b4 0.14.3","X-Developer-Signature":"v=1; a=openpgp-sha256; l=969;\n i=linux-kernel-dev@aliel.fr; h=from:subject:message-id;\n bh=tWFcpje6b/UPuUaynpp5o+HzSsytJcZL6uVNyAgG8qQ=;\n b=owGbwMvMwCWm1SvKXP3cUInxtFoSQ+bzlGrOqQsFRScd93G08Hmn2V+TM9X8gF2q1/WNHh/U/\n zhYWO/sKGVhEONikBVTZOmfa3ni3eWjZ77uUU+BmcPKBDKEgYtTACbiO43hr0jjMc8dC2ud/ldu\n OMr4Oa160uf0hDs74paIntq3WMKq6yEjwyQNsfC1PP23Fr0RNhNfqLwz57blNbsfzfl9MY/Xycq\n tZgcA","X-Developer-Key":"i=linux-kernel-dev@aliel.fr; a=openpgp;\n fpr=DFD863F61375BF917F0012173953305EF1D0EC3E","X-Endpoint-Received":"by B4 Relay for linux-kernel-dev@aliel.fr/default with\n auth_id=744","X-Original-From":"Ronald Claveau ","Reply-To":"linux-kernel-dev@aliel.fr"},"content":"From: Ronald Claveau \n\nEnable and configure i2c MCU node to get fan working on Khadas VIM4.\n\nSigned-off-by: Ronald Claveau \n---\n .../boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts | 13 +++++++++++++\n 1 file changed, 13 insertions(+)","diff":"diff --git a/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts b/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts\nindex 69d6118ba57e7..5d7f5390f3a66 100644\n--- a/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts\n+++ b/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts\n@@ -157,6 +157,19 @@ wifi32k: wifi32k {\n \t};\n };\n \n+&i2c_m_ao_a {\n+\tstatus = \"okay\";\n+\tpinctrl-0 = <&i2c0_ao_d_pins>;\n+\tpinctrl-names = \"default\";\n+\n+\tkhadas_mcu: system-controller@18 {\n+\t\tcompatible = \"khadas,vim4-mcu\";\n+\t\treg = <0x18>;\n+\t\tfan-supply = <&vcc5v>;\n+\t\t#cooling-cells = <2>;\n+\t};\n+};\n+\n &pwm_ab {\n \tstatus = \"okay\";\n \tpinctrl-0 = <&pwm_a_pins>;\n","prefixes":["v4","8/8"]}